Concord Distribution markets CDs of numerous performing artists. At the beginning of March, Concord had in beginning inventory

$2,500$ CDs with a unit cost of $$7.$ During March, Concord made the following purchases of CDs$.$

During March $14,000$ units were sold. Concord uses a periodic inventory system.

$($a$)$

Determine the cost of goods available for sale.

Cost of goods available for sale $